20181519358

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1153}}^1\times {\mathrm{1249}}^1$

素因数の和:2442

約数の個数: 96

約数和(自身を含む): 41440140000

約数和(自身を除く): 21258620642

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 539, 637, 1001, 1078, 1153, 1249, 1274, 2002, 2306, 2498, 7007, 8071, 8743, 12683, 13739, 14014, 14989, 16142, 16237, 17486, 25366, 27478, 29978, 32474, 56497, 61201, 88781, 96173, 104923, 112994, 113659, 122402, 164879, 177562, 178607, 192346, 209846, 227318, 329758, 357214, 621467, 673211, 734461, 795613, 1154153, 1242934, 1250249, 1346422, 1440097, 1468922, 1591226, 2308306, 2500498, 2880194, 8079071, 8751743, 10080679, 15841067, 16158142, 17503486, 18721261, 20161358, 31682134, 37442522, 70564753, 110887469, 131048827, 141129506, 205933871, 221774938, 262097654, 411867742, 776212283, 917341789, 1441537097, 1552424566, 1834683578, 2883074194, 10090759679, 20181519358]

約数ペア:

[(1, 20181519358), (2, 10090759679), (7, 2883074194), (11, 1834683578), (13, 1552424566), (14, 1441537097), (22, 917341789), (26, 776212283), (49, 411867742), (77, 262097654), (91, 221774938), (98, 205933871), (143, 141129506), (154, 131048827), (182, 110887469), (286, 70564753), (539, 37442522), (637, 31682134), (1001, 20161358), (1078, 18721261), (1153, 17503486), (1249, 16158142), (1274, 15841067), (2002, 10080679), (2306, 8751743), (2498, 8079071), (7007, 2880194), (8071, 2500498), (8743, 2308306), (12683, 1591226), (13739, 1468922), (14014, 1440097), (14989, 1346422), (16142, 1250249), (16237, 1242934), (17486, 1154153), (25366, 795613), (27478, 734461), (29978, 673211), (32474, 621467), (56497, 357214), (61201, 329758), (88781, 227318), (96173, 209846), (104923, 192346), (112994, 178607), (113659, 177562), (122402, 164879)]